Viewing Station: MT-MS-14 : Missoula 4.4 W
May 13, 2007 - Aug 19, 20266,794 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.49"
August 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
0.47"
Departure from Normal
0.02" : 105% of Normal
Year-To-Date: 10.63"
Jan 1 to Aug 19, 2026(231 of 231 days covered by obs)
NOAA Normal
8.23"
Departure from Normal
2.40" : 129% of Normal
Water Year-To-Date: 16.13"
Oct 1, 2025 to Aug 19, 2026(322 of 323 days covered by obs)
NOAA Normal
11.55"
Departure from Normal
4.58" : 140% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
1.01
-0.13
Feb
0.87
1.01
-0.14
Mar
0.76
0.86
-0.10
Apr
1.11
1.17
-0.06
May
1.50
1.72
-0.22
Jun
1.82
2.07
-0.25
Jul
0.82
0.82
0.00
Aug
0.76
0.81
-0.05
Sep
0.89
0.90
-0.01
Oct
1.16
1.19
-0.03
Nov
1.07
1.27
-0.20
Dec
1.09
1.11
-0.02
12.73
13.94
-1.21